Imagina Energía vs Eres Energía

Live Comparison • julio 2026

A detailed head-to-head comparison covering rates, typical bills, pros & cons, and features to help you decide which is better for your home.

Our Verdict

Overall Winner: Lowest Typical Bill

For a typical Spanish household (3.6kW Potencia, 300kWh monthly usage), Imagina Energía is the cheaper option. Their Sin Horas tariff results in an estimated monthly bill of 66.28 (including taxes). This compares to Eres Energía's best option (Eres Sobresaliente) at €66.56 per month.

Imagina Energía Best Bill
66.28
Eres Energía Best Bill
66.56

* Assumption: 3.6 kW contracted power, 300 kWh monthly usage (20% peak, 30% flat, 50% off-peak), including 21% IVA, 5.11% Electricity Tax, and ~€1 meter rental.

Best Flat Rate

Eres Energía wins here. Their flat rate is 0.099 €/kWh compared to Imagina Energía's 0.099 €/kWh.

Best Time-of-Use Rate

Eres Energía is the only provider offering a fixed 3-period time-of-use rate.

Scorecard Comparison

Metric (1-10)Imagina EnergíaEres Energía
Price Competitiveness
8
7
Solar Suitability
9
5
EV Suitability
6
5
Simplicity
8
8
Customer Service
9
7
Transparency
9
8

Full Head-to-Head Comparison

Imagina Energía

Imagina Energía

4.8 / 5 (700+ reviews)
Founded2020
Customers50,000+
Energy100% Solar Energy

Pros

  • Energía 100% solar certificada
  • Precio fijo garantizado por 3 años
  • Excelente atención al cliente personalizada
  • Fuertes funciones para autoconsumo solar

Cons

  • Enfoque principal en planes de precio fijo
  • Marca más joven que las 'Tres Grandes'
  • Gestión principalmente digital

Available Tariffs

Sin Horas

Est. Monthly Bill
66.28
Energy (24h)0.099 €/kWh
Potencia (P1 / P2)0.098 / 0.098 €/kW
Solar Export0.04 €/kWh
Fixed FeeNone
Eres Energía

Eres Energía

4.2 / 5 (300+ reviews)
Founded2018
Customers40,000+
Energy100% Renewable

Pros

  • Simple and transparent pricing
  • No permanence commitment
  • 100% renewable energy

Cons

  • Limited physical presence
  • Fewer tariff varieties than larger providers

Available Tariffs

Eres Solar Flexible

Est. Monthly Bill
93.07
Energy (P1 / P2 / P3)
0.1981 / 0.1253 / 0.0939
€/kWh
Potencia (P1 / P2)0.1597 / 0.1597 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

Eres Tres

Est. Monthly Bill
69.80
Energy (P1 / P2 / P3)
0.1995 / 0.1379 / 0.0986
€/kWh
Potencia (P1 / P2)0.0969 / 0.0379 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Flexible

Est. Monthly Bill
76.76
Energy (P1 / P2 / P3)
0.224 / 0.16 / 0.136
€/kWh
Potencia (P1 / P2)0.0819 / 0.02 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Sobresaliente

Est. Monthly Bill
66.56
Energy (24h)0.099 €/kWh
Potencia (P1 / P2)0.099 / 0.099 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Solar Tres

Est. Monthly Bill
117.16
Energy (P1 / P2 / P3)
0.2095 / 0.1379 / 0.1088
€/kWh
Potencia (P1 / P2)0.2277 / 0.2277 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

Eres Solar 24

Est. Monthly Bill
98.78
Energy (24h)0.1449 €/kWh
Potencia (P1 / P2)0.1518 / 0.1518 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

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